leetcode

0 class Solution {

1 public:

2 vector<string> printVertically(const string &s) {

3 vector<string> vec, res;

4

5 string tmp, buf;

6 stringstream ss(s);

7 while (ss >> tmp)

8 vec.push_back(tmp);

9

10 for (int i = 0; true; i++) {

11 tmp.clear(), buf.clear();

12 for (const string &s : vec) {

13 if (s.size() <= i)

14 buf += " ";

15 else

16 tmp += buf + s[i], buf.clear();

17 }

18 if (!tmp.size()) break;

19 res.push_back(tmp);

20 }

21 return res;

22 }

23 };